/Engine/Plugins/Runtime/Metasound/Source/MetasoundEngine/Public/MetasoundUObjectRegistry.h
Iterate all registered UClasses that serve as MetaSound assets.
void IterateRegisteredUClasses ( [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< void([UClass](API\Runtime\CoreUObject\UObject\UClass) &)> InFunc, bool bAssetTypesOnly ) const